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path: root/drivers/media/video/gspca
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Diffstat (limited to 'drivers/media/video/gspca')
-rw-r--r--drivers/media/video/gspca/sonixb.c174
1 files changed, 82 insertions, 92 deletions
diff --git a/drivers/media/video/gspca/sonixb.c b/drivers/media/video/gspca/sonixb.c
index f6bef896d3a..4f9c9ecb06e 100644
--- a/drivers/media/video/gspca/sonixb.c
+++ b/drivers/media/video/gspca/sonixb.c
@@ -41,6 +41,7 @@ struct sd {
unsigned char brightness;
unsigned char autogain;
unsigned char autogain_ignore_frames;
+ unsigned char frames_to_drop;
unsigned char freq; /* light freq filter setting */
unsigned char saturation;
unsigned char hue;
@@ -51,13 +52,13 @@ struct sd {
#define SENSOR_HV7131R 0
#define SENSOR_OV6650 1
#define SENSOR_OV7630 2
-#define SENSOR_OV7630_3 3
-#define SENSOR_PAS106 4
-#define SENSOR_PAS202 5
-#define SENSOR_TAS5110 6
-#define SENSOR_TAS5130CXX 7
+#define SENSOR_PAS106 3
+#define SENSOR_PAS202 4
+#define SENSOR_TAS5110 5
+#define SENSOR_TAS5130CXX 6
char sensor_has_gain;
__u8 sensor_addr;
+ __u8 reg11;
};
#define COMP2 0x8f
@@ -318,7 +319,7 @@ static const __u8 initOv7630_3[] = {
0x10, 0x20, 0x30, 0x40, 0x50, 0x60, 0x70, 0x80, /* r21 .. r28 */
0x90, 0xa0, 0xb0, 0xc0, 0xd0, 0xe0, 0xf0, 0xff /* r29 .. r30 */
};
-static const __u8 ov7630_sensor_init_com[][8] = {
+static const __u8 ov7630_sensor_init[][8] = {
{0xa0, 0x21, 0x12, 0x80, 0x00, 0x00, 0x00, 0x10},
{0xb0, 0x21, 0x01, 0x77, 0x3a, 0x00, 0x00, 0x10},
/* {0xd0, 0x21, 0x12, 0x7c, 0x01, 0x80, 0x34, 0x10}, jfm */
@@ -339,17 +340,6 @@ static const __u8 ov7630_sensor_init_com[][8] = {
{0xa0, 0x21, 0x7d, 0xf7, 0x8e, 0x00, 0x30, 0x10},
{0xd0, 0x21, 0x17, 0x1c, 0xbd, 0x06, 0xf6, 0x10},
};
-static const __u8 ov7630_sensor_init[][8] = {
- {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, /* delay 200ms */
- {0xa0, 0x21, 0x11, 0x01, 0xbd, 0x06, 0xf6, 0x10}, /* jfm */
- {0xa0, 0x21, 0x10, 0x57, 0xbd, 0x06, 0xf6, 0x16},
- {0xa0, 0x21, 0x76, 0x02, 0xbd, 0x06, 0xf6, 0x16},
- {0xa0, 0x21, 0x00, 0x10, 0xbd, 0x06, 0xf6, 0x15}, /* gain */
-};
-static const __u8 ov7630_sensor_init_3[][8] = {
- {0xa0, 0x21, 0x2a, 0xa0, 0x00, 0x00, 0x00, 0x10},
- {0xa0, 0x21, 0x2a, 0x80, 0x00, 0x00, 0x00, 0x10},
-};
static const __u8 initPas106[] = {
0x04, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x81, 0x40, 0x00, 0x00, 0x00,
@@ -539,7 +529,6 @@ static void setbrightness(struct gspca_dev *gspca_dev)
switch (sd->sensor) {
case SENSOR_OV6650:
- case SENSOR_OV7630_3:
case SENSOR_OV7630: {
__u8 i2cOV[] =
{0xa0, 0x00, 0x06, 0x00, 0x00, 0x00, 0x00, 0x10};
@@ -632,7 +621,7 @@ static void setsensorgain(struct gspca_dev *gspca_dev)
case SENSOR_OV6650:
gain >>= 1;
/* fall thru */
- case SENSOR_OV7630_3: {
+ case SENSOR_OV7630: {
__u8 i2c[] = {0xa0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10};
i2c[1] = sd->sensor_addr;
@@ -687,7 +676,7 @@ static void setexposure(struct gspca_dev *gspca_dev)
break;
}
case SENSOR_OV6650:
- case SENSOR_OV7630_3: {
+ case SENSOR_OV7630: {
/* The ov6650 / ov7630 have 2 registers which both influence
exposure, register 11, whose low nibble sets the nr off fps
according to: fps = 30 / (low_nibble + 1)
@@ -702,16 +691,20 @@ static void setexposure(struct gspca_dev *gspca_dev)
The code maps our 0 - 510 ms exposure ctrl to these 2
registers, trying to keep fps as high as possible.
*/
- __u8 i2c[] = {0xb0, 0x00, 0x10, 0x00, 0xc0, 0x00, 0x00, 0x10};
- int reg10, reg11;
+ __u8 i2c[] = {0xb0, 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x10};
+ int reg10, reg11, reg10_max;
+
/* ov6645 datasheet says reg10_max is 9a, but that uses
tline * 2 * reg10 as formula for calculating texpo, the
ov6650 probably uses the same formula as the 7730 which uses
tline * 4 * reg10, which explains why the reg10max we've
found experimentally for the ov6650 is exactly half that of
the ov6645. The ov7630 datasheet says the max is 0x41. */
- const int reg10_max = (sd->sensor == SENSOR_OV6650)
- ? 0x4d : 0x41;
+ if (sd->sensor == SENSOR_OV6650) {
+ reg10_max = 0x4d;
+ i2c[4] = 0xc0; /* OV6650 needs non default vsync pol */
+ } else
+ reg10_max = 0x41;
reg11 = (60 * sd->exposure + 999) / 1000;
if (reg11 < 1)
@@ -732,20 +725,23 @@ static void setexposure(struct gspca_dev *gspca_dev)
else if (reg10 > reg10_max)
reg10 = reg10_max;
+ /* In 640x480, if the reg11 has less than 3, the image is
+ unstable (not enough bandwidth). */
+ if (gspca_dev->width == 640 && reg11 < 3)
+ reg11 = 3;
+
/* Write reg 10 and reg11 low nibble */
i2c[1] = sd->sensor_addr;
i2c[3] = reg10;
i2c[4] |= reg11 - 1;
- if (sd->sensor == SENSOR_OV7630_3) {
- __u8 reg76 = reg10 & 0x03;
- __u8 i2c_reg76[] = {0xa0, 0x21, 0x76, 0x00,
- 0x00, 0x00, 0x00, 0x10};
- reg10 >>= 2;
- i2c_reg76[3] = reg76;
- if (i2c_w(gspca_dev, i2c_reg76) < 0)
- PDEBUG(D_ERR, "i2c error exposure");
- }
- if (i2c_w(gspca_dev, i2c) < 0)
+
+ /* If register 11 didn't change, don't change it */
+ if (sd->reg11 == reg11 )
+ i2c[0] = 0xa0;
+
+ if (i2c_w(gspca_dev, i2c) == 0)
+ sd->reg11 = reg11;
+ else
PDEBUG(D_ERR, "i2c error exposure");
break;
}
@@ -758,11 +754,11 @@ static void setfreq(struct gspca_dev *gspca_dev)
switch (sd->sensor) {
case SENSOR_OV6650:
- case SENSOR_OV7630_3: {
+ case SENSOR_OV7630: {
/* Framerate adjust register for artificial light 50 hz flicker
- compensation, identical to ov6630 0x2b register, see ov6630
- datasheet.
- 0x4f -> (30 fps -> 25 fps), 0x00 -> no adjustment */
+ compensation, for the ov6650 this is identical to ov6630
+ 0x2b register, see ov6630 datasheet.
+ 0x4f / 0x8a -> (30 fps -> 25 fps), 0x00 -> no adjustment */
__u8 i2c[] = {0xa0, 0x00, 0x2b, 0x00, 0x00, 0x00, 0x00, 0x10};
switch (sd->freq) {
default:
@@ -789,7 +785,6 @@ static void setsaturation(struct gspca_dev *gspca_dev)
switch (sd->sensor) {
/* case SENSOR_OV6650: */
- case SENSOR_OV7630_3:
case SENSOR_OV7630: {
__u8 i2c[] = {0xa0, 0x00, 0x03, 0x00, 0x00, 0x00, 0x00, 0x10};
i2c[1] = sd->sensor_addr;
@@ -810,7 +805,6 @@ static void sethue(struct gspca_dev *gspca_dev)
switch (sd->sensor) {
/* case SENSOR_OV6650: */
- case SENSOR_OV7630_3:
case SENSOR_OV7630: {
__u8 i2c[] = {0xa0, 0x00, 0x04, 0x00, 0x00, 0x00, 0x00, 0x10};
i2c[1] = sd->sensor_addr;
@@ -830,7 +824,6 @@ static void setcontrast(struct gspca_dev *gspca_dev)
switch (sd->sensor) {
/* case SENSOR_OV6650: */
- case SENSOR_OV7630_3:
case SENSOR_OV7630: {
__u8 i2c[] = {0xa0, 0x00, 0x05, 0x00, 0x00, 0x00, 0x00, 0x10};
i2c[1] = sd->sensor_addr;
@@ -880,8 +873,6 @@ static int sd_config(struct gspca_dev *gspca_dev,
sd->fr_h_sz = 12; /* default size of the frame header */
sd->sd_desc.nctrls = 2; /* default nb of ctrls */
- sd->autogain = AUTOGAIN_DEF; /* default is autogain active */
-
product = id->idProduct;
/* switch (id->idVendor) { */
/* case 0x0c45: * Sonix */
@@ -912,17 +903,14 @@ static int sd_config(struct gspca_dev *gspca_dev,
case 0x6019: /* SN9C101 */
case 0x602c: /* SN9C102 */
case 0x602e: /* SN9C102 */
- sd->sensor = SENSOR_OV7630;
- sd->sensor_addr = 0x21;
- break;
case 0x60b0: /* SN9C103 */
- sd->sensor = SENSOR_OV7630_3;
+ sd->sensor = SENSOR_OV7630;
sd->sensor_addr = 0x21;
- sd->fr_h_sz = 18; /* size of frame header */
sd->sensor_has_gain = 1;
- sd->sd_desc.nctrls = 8;
+ sd->sd_desc.nctrls = 5;
sd->sd_desc.dq_callback = do_autogain;
- sd->autogain = 0;
+ if (product == 0x60b0)
+ sd->fr_h_sz = 18; /* size of frame header */
break;
case 0x6024: /* SN9C102 */
case 0x6025: /* SN9C102 */
@@ -948,7 +936,7 @@ static int sd_config(struct gspca_dev *gspca_dev,
if (!sif) {
cam->cam_mode = vga_mode;
cam->nmodes = ARRAY_SIZE(vga_mode);
- if (sd->sensor == SENSOR_OV7630_3) {
+ if (product == 0x60b0) { /* SN9C103 with OV7630 */
/* We only have 320x240 & 640x480 */
cam->cam_mode++;
cam->nmodes--;
@@ -960,12 +948,15 @@ static int sd_config(struct gspca_dev *gspca_dev,
sd->brightness = BRIGHTNESS_DEF;
sd->gain = GAIN_DEF;
sd->exposure = EXPOSURE_DEF;
+ sd->autogain = AUTOGAIN_DEF;
sd->freq = FREQ_DEF;
sd->contrast = CONTRAST_DEF;
sd->saturation = SATURATION_DEF;
sd->hue = HUE_DEF;
- if (sd->sensor == SENSOR_OV7630_3) /* jfm: from win trace */
+
+ if (product == 0x60b0) /* SN9C103 with OV7630 */
reg_w(gspca_dev, 0x01, probe_ov7630, sizeof probe_ov7630);
+
return 0;
}
@@ -999,7 +990,7 @@ static void pas106_i2cinit(struct gspca_dev *gspca_dev)
static void sd_start(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
- int mode, l;
+ int mode, l = 0x1f;
const __u8 *sn9c10x;
__u8 reg01, reg17;
__u8 reg17_19[3];
@@ -1019,13 +1010,11 @@ static void sd_start(struct gspca_dev *gspca_dev)
reg17_19[2] = 0x20;
break;
case SENSOR_OV7630:
- sn9c10x = initOv7630;
- reg17_19[0] = 0x68;
- reg17_19[1] = (mode << 4) | COMP2;
- reg17_19[2] = MCK_INIT1;
- break;
- case SENSOR_OV7630_3:
- sn9c10x = initOv7630_3;
+ if (sd->fr_h_sz == 18) { /* SN9C103 */
+ sn9c10x = initOv7630_3;
+ l = sizeof initOv7630_3;
+ } else
+ sn9c10x = initOv7630;
reg17_19[0] = 0x68;
reg17_19[1] = (mode << 4) | COMP2;
reg17_19[2] = MCK_INIT1;
@@ -1056,30 +1045,22 @@ static void sd_start(struct gspca_dev *gspca_dev)
reg17_19[2] = mode ? 0x23 : 0x43;
break;
}
- switch (sd->sensor) {
- case SENSOR_OV7630:
+
+ /* Special case for SN9C101/2 with OV 7630 */
+ /* HDG: is this really necessary we overwrite the values immediately
+ afterwards with the ones from the template ?? */
+ if (sd->sensor == SENSOR_OV7630 && sd->fr_h_sz == 12) {
reg01 = 0x06;
reg17 = 0x29;
- l = sizeof initOv7630;
- break;
- case SENSOR_OV7630_3:
- reg01 = 0x44;
- reg17 = 0x68;
- l = sizeof initOv7630_3;
- break;
- default:
+ } else {
reg01 = sn9c10x[0];
reg17 = sn9c10x[0x17 - 1];
- l = 0x1f;
- break;
}
/* reg 0x01 bit 2 video transfert on */
reg_w(gspca_dev, 0x01, &reg01, 1);
/* reg 0x17 SensorClk enable inv Clk 0x60 */
reg_w(gspca_dev, 0x17, &reg17, 1);
-/*fixme: for ov7630 102
- reg_w(gspca_dev, 0x01, {0x06, sn9c10x[1]}, 2); */
/* Set the registers from the template */
reg_w_big(gspca_dev, 0x01, sn9c10x, l);
switch (sd->sensor) {
@@ -1092,17 +1073,13 @@ static void sd_start(struct gspca_dev *gspca_dev)
sizeof ov6650_sensor_init);
break;
case SENSOR_OV7630:
- i2c_w_vector(gspca_dev, ov7630_sensor_init_com,
- sizeof ov7630_sensor_init_com);
- msleep(200);
i2c_w_vector(gspca_dev, ov7630_sensor_init,
sizeof ov7630_sensor_init);
- break;
- case SENSOR_OV7630_3:
- i2c_w_vector(gspca_dev, ov7630_sensor_init_com,
- sizeof ov7630_sensor_init_com);
- msleep(200);
- i2c_w(gspca_dev, ov7630_sensor_init_3[mode]);
+ if (sd->fr_h_sz == 18) { /* SN9C103 */
+ const __u8 i2c[] = { 0xa0, 0x21, 0x13, 0x80, 0x00,
+ 0x00, 0x00, 0x10 };
+ i2c_w(gspca_dev, i2c);
+ }
break;
case SENSOR_PAS106:
pas106_i2cinit(gspca_dev);
@@ -1142,6 +1119,8 @@ static void sd_start(struct gspca_dev *gspca_dev)
reg_w(gspca_dev, 0x18, &reg17_19[1], 2);
msleep(20);
+ sd->reg11 = -1;
+
setgain(gspca_dev);
setbrightness(gspca_dev);
setexposure(gspca_dev);
@@ -1150,6 +1129,7 @@ static void sd_start(struct gspca_dev *gspca_dev)
sethue(gspca_dev);
setcontrast(gspca_dev);
+ sd->frames_to_drop = 0;
sd->autogain_ignore_frames = 0;
atomic_set(&sd->avg_lum, -1);
}
@@ -1195,21 +1175,31 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev,
&& data[3 + i] == 0xc4
&& data[4 + i] == 0xc4
&& data[5 + i] == 0x96) { /* start of frame */
- frame = gspca_frame_add(gspca_dev, LAST_PACKET,
- frame, data, 0);
+ int lum = -1;
+ int pkt_type = LAST_PACKET;
+
if (len - i < sd->fr_h_sz) {
- atomic_set(&sd->avg_lum, -1);
PDEBUG(D_STREAM, "packet too short to"
" get avg brightness");
} else if (sd->fr_h_sz == 12) {
- atomic_set(&sd->avg_lum,
- data[i + 8] +
- (data[i + 9] << 8));
+ lum = data[i + 8] + (data[i + 9] << 8);
} else {
- atomic_set(&sd->avg_lum,
- data[i + 9] +
- (data[i + 10] << 8));
+ lum = data[i + 9] +
+ (data[i + 10] << 8);
}
+ if (lum == 0) {
+ lum = -1;
+ sd->frames_to_drop = 2;
+ }
+ atomic_set(&sd->avg_lum, lum);
+
+ if (sd->frames_to_drop) {
+ sd->frames_to_drop--;
+ pkt_type = DISCARD_PACKET;
+ }
+
+ frame = gspca_frame_add(gspca_dev, pkt_type,
+ frame, data, 0);
data += i + sd->fr_h_sz;
len -= i + sd->fr_h_sz;
gspca_frame_add(gspca_dev, FIRST_PACKET,
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-13 01:46:11 +0000